Karen McCloskey, M.D.
Endocrinology, Diabetes & Metabolism Physician · Danbury, CT
Karen McCloskey, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Danbury, Connecticut, and NPI 1972982205, issued on May 19, 2015. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Karen McCloskey
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- Practice location
- 25 Germantown RD, Danbury, CT 06810
- Phone
- (203) 794-5620
- Enumerated
- May 19, 2015
- Entity
- Type 1 · individual
Also registered at 25 Germantown RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adey Abebe, APRNRegistered Nurse1558914648
- Umar Ahmad, D.O.Student in an Organized Health Care Education/Training Program1336589746
- Teresa Cichosz, AGNP-C, CDCESDiabetes Educator Registered Nurse1245727437
- Marie Elena Cordisco, APRNFamily Nurse Practitioner1265617310
- Lawrence Fisher, M.D.Specialist1265427751
- Amanda FuscoNurse Practitioner1689025306
Verify Karen McCloskey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
34% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,818 Medicare Part D claims for 423 beneficiaries, against an average of 2,739 among the 6,176 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Levothyroxine Sodium156 claims
- Ozempic153 claims
- Jardiance112 claims
- Lantus Solostar88 claims
- Trulicity80 claims
- Metformin Hcl71 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $133.05
6 payments, mostly food and beverage; the largest payer was Abbott Laboratories. The 4,299 providers of this specialty with any payment received $6,068.67 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Nuvance Health Medical Practice CT IncDanbury, CT
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Endocrinology, Diabetes & Metabolism Physician providers in Connecticut
There are 166 endocrinology, diabetes & metabolism physician records in Connecticut.
Other endocrinology, diabetes & metabolism physician records in Connecticut
- Fadi Al-Khayer, MDStorrs, CT1861477069
- Vivek Alaigh, MDStamford, CT1740675818
- Kenda Alkwatli, MDWethersfield, CT1063075901
- Ipek Alpertunga, MDHartford, CT1386166452
- Helen Anaedo, M.DPlainville, CT1164717021
- Neelum AnwaarNorwalk, CT1336670041
- Mary Arden-Cordone, M.D.,Greenwich, CT1649318585
- Andrew Arnold, MDFarmington, CT1003812520
- Maria Cecilia Asnis, M.D.Stamford, CT1437475688
- Ela Banerjee, MDNew Britain, CT1861856312
Common questions
What is Karen McCloskey, M.D.'s NPI number?
Karen McCloskey, M.D.'s National Provider Identifier (NPI) is 1972982205, issued on May 19, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Karen McCloskey, M.D. located?
The NPPES record lists a practice address at 25 Germantown RD, Danbury, CT, 06810. Phone: (203) 794-5620. Providers update this record themselves, so call before visiting.
How can I verify Karen McCloskey, M.D.'s license?
Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen McCloskey, M.D. prescribe under Medicare Part D?
In 2024, Karen McCloskey, M.D. had 1,818 Medicare Part D claims for 423 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,739. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.